* tree-ssa-operands.c (opf_non_specific): New.
        (get_asm_expr_operands): Set it.
        (add_call_clobber_ops, add_call_read_ops): Likewise.
        (add_stmt_operand): Test it instead of opf_kill_def when
        considering unmodifiable variables.

        * tree-ssa-operands.c (get_expr_operands): Fix exact test.

From-SVN: r99948